/* .bannerBox{width: 1200px;margin: 0 auto;} */
body{background-color: #292929}
.bannerBox .banner{width: 100%;height: 500px; max-width: 1600px;margin: 0 auto;overflow: hidden;position: relative;margin-top: 100px}
.bannerBox .banner ul{position: absolute;width: 1200px;height: 500px;left: 50%;margin-left: -600px;}
.bannerBox .banner li {width: 100%;height: 100%;position: absolute;left: 0px;top: 0px;z-index: 1;transform: scale(0.85);transition: transform 0.4s;}
.bannerBox .banner li a{display: block;width: 1200px;height: 100%;}
.bannerBox .banner li.on{transform: scale(1);}
.banner-btn{width: 100%;position: absolute;width: 1200px;height: 0px;top: 40px;left: 50%;margin-left: -600px;z-index: 9;}
.banner-btn-prev,.banner-btn-next{display: block;width: 200px;height: 425px;position: absolute;}
.banner-btn-prev{left: -200px;}
.banner-btn-next{right: -200px;}